Eladó Pálca – dokumentáció

package com.gamestorm.plugins;

import net.milkbowl.vault.economy.Economy; 
import org.bukkit.Material;
import org.bukkit.configuration.file.FileConfiguration; 
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.persistence.PersistentDataType; 
import org.bukkit.NamespacedKey; 
import org.bukkit.plugin.java.JavaPlugin; 

public class EladoPalcaPlugin extends JavaPlugin { 

    private FileConfiguration config; 

    @Override
    public void onEnable() { 
        saveDefaultConfig();
        config = getConfig();

        getServer().getPluginManager().registerEvents(new EladoPalcaListener(this), this); 

        getServer().getPluginManager().addPermission(new org.bukkit.permissions.Permission("eladopalca.use")); 
    }

    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) { 
        if (cmd.getName().equalsIgnoreCase("chronikapalca")) {
            if (args.length == 2 && args[0].equalsIgnoreCase("level1") && args[1].equalsIgnoreCase("get")) {
                if (sender instanceof Player) {
                    Player player = (Player) sender;

                    if (!player.hasPermission("eladopalca.use")) { 
                        return false;
                    }

                    ItemStack palca = new ItemStack(Material.BLAZE_ROD); 
                    ItemMeta meta = palca.getItemMeta();

                    if (meta != null) {
                        meta.getPersistentDataContainer().set(new NamespacedKey("gamestorm", "elado_palca_key"), PersistentDataType.BYTE, (byte) 1); 
                        palca.setItemMeta(meta);
                        player.getInventory().addItem(palca);
                        player.sendMessage("§aSikeresen megkaptad az Eladó Pálcát!");
                        return true;
                    } else {
                        player.sendMessage("§cHiba történt az Eladó Pálca létrehozásakor!");
                        return false;
                    }
                }
            }
        }
        return false; 
    }

    public double getItemPrice(ItemStack item) { 
        String itemName = item.getType().toString();
        if (config.contains("item-prices." + itemName)) {
            return config.getDouble("item-prices." + itemName);
        }
        return config.getDouble("item-prices.DEFAULT");
    }
}

package com.gamestorm.plugins;

import net.milkbowl.vault.economy.Economy; 
import org.bukkit.Material;
import org.bukkit.block.Chest;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener; 
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent; 
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.persistence.PersistentDataType;
import org.bukkit.persistence.PersistentDataContainer; 
import org.bukkit.NamespacedKey;

public class EladoPalcaListener implements Listener {

    private final EladoPalcaPlugin plugin; 
    private static final NamespacedKey PALCA_KEY = new NamespacedKey("gamestorm", "elado_palca_key"); 

    public EladoPalcaListener(EladoPalcaPlugin plugin) { this.plugin = plugin; }

    @EventHandler
    public void onPlayerInteract(PlayerInteractEvent event) { 
        if (event.getAction() == Action.LEFT_CLICK_BLOCK && event.getClickedBlock() != null) { 
            if (event.getClickedBlock().getType() == Material.CHEST) { 
                Player player = event.getPlayer();

                if (!player.hasPermission("eladopalca.use")) { 
                    return;
                }

                ItemStack item = player.getInventory().getItemInMainHand();

                if (isEladoPalca(item)) { 
                    double value = calculateChestValue(event.getClickedBlock()); 

                    if (plugin.getServer().getPluginManager().getPlugin("Vault") != null) { 
                        Economy economy = plugin.getServer().getServicesManager().getRegistration(Economy.class).getProvider();
                        economy.depositPlayer(player, value); 
                    }

                    Chest chest = (Chest) event.getClickedBlock().getState();
                    chest.getInventory().clear(); 

                    player.sendMessage("§b[Chrónika Pálca]  §aSikeresen eladtad a láda tartalmát! Kaptál " + value + " $-t!"); // ⑭ visszajelzés
                }
            }
        }
    }

    private double calculateChestValue(org.bukkit.block.Block block) { 
        double value = 0;
        Chest chest = (Chest) block.getState();
        for (ItemStack item : chest.getInventory().getContents()) {
            if (item != null && item.getType() != Material.AIR) {
                double itemPrice = plugin.getItemPrice(item); 
                value += item.getAmount() * itemPrice; 
            }
        }
        return value;
    }

    private boolean isEladoPalca(ItemStack item) { 
        if (item == null || item.getType() != Material.BLAZE_ROD || !item.hasItemMeta()) return false;
        ItemMeta meta = item.getItemMeta();
        if (meta == null) return false;
        PersistentDataContainer dataContainer = meta.getPersistentDataContainer();
        return dataContainer.has(PALCA_KEY, PersistentDataType.BYTE); 
    }
}